Electronic structure and conformational statistics of conjugated polymers in solution: A Fermi system with annealed disorder

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Abstract
A new approach is proposed to study electronic and conformational properties of soluble conjugated polymers. A chain is treated by a one-dimensional tight-binding model with annealed disorder. We explicitly confirm several long-standing qualitative expectations and obtain a number of new results. In particular, evidence is shown for strong localization effects and for the existence of rigid regions containing electrons.